[  488.280677] netdevsim netdevsim276 eni276np1: renamed from eth0
[  488.281153] netdevsim netdevsim564 eni564np1: renamed from eth1
[  488.363296] Could not find device with ifindex 2000 in netnsfd 11
[  488.363429] Could not find netns with fd: 2000
[  488.363528] Cannot link a netdevsim to itself
[  488.363657] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).